/*
 * Copyright (c) 2021 The ZMK Contributors
 *
 * SPDX-License-Identifier: MIT
 */

#include <dt-bindings/zmk/matrix_transform.h>

/ {
    chosen {
        zephyr,display = &oled;
        zmk,kscan = &kscan0;
        zmk,matrix_transform = &default_transform;
    };

    default_transform: keymap_transform_0 {
        compatible = "zmk,matrix-transform";
        columns = <18>;
        rows = <4>;
// | SW6  | SW5  | SW4  | SW3  | SW2  | SW1  |                               | SW1  | SW2  | SW3  | SW4  | SW5  | SW6  |
// | SW13 | SW12 | SW11 | SW10 | SW9  | SW8  | SW7  |                 | SW7  | SW8  | SW9  | SW10 | SW11 | SW12 | SW13 |
// | SW20 | SW19 | SW18 | SW17 | SW16 | SW15 | SW14 |                 | SW14 | SW15 | SW16 | SW17 | SW18 | SW19 | SW20 |
// | SW28 | SW27 | SW26 | SW25 | SW24 | SW23 | SW22 | SW21 |   | SW21 | SW22 | SW23 | SW24 | SW25 | SW26 | SW27 | SW28 |
// | SW35 | SW34 | SW33 | SW32 | SW31 |     SW30    | SW29 |   | SW29 |     SW30    | SW31 | SW32 | SW33 | SW34 | SW35 |
        map = <
RC(0,0) RC(0,1) RC(0,2) RC(0,3) RC(0,4) RC(0,5)                                   RC(0,8) RC(0,9) RC(0,10) RC(0,11) RC(0,12) RC(0,13)
RC(1,0) RC(1,1) RC(1,2) RC(1,3) RC(1,4) RC(1,5) RC(0,6)                   RC(0,7) RC(1,8) RC(1,9) RC(1,10) RC(1,11) RC(1,12) RC(1,13)
RC(2,0) RC(2,1) RC(2,2) RC(2,3) RC(2,4) RC(2,5) RC(1,6)                   RC(1,7) RC(2,8) RC(2,9) RC(2,10) RC(2,11) RC(2,12) RC(2,13)
RC(3,0) RC(3,1) RC(3,2) RC(3,3) RC(3,4) RC(3,5) RC(2,6) RC(3,6)   RC(3,7) RC(2,7) RC(3,8) RC(3,9) RC(3,10) RC(3,11) RC(3,12) RC(3,13)
RC(4,0) RC(4,1) RC(4,2) RC(4,3) RC(4,4)      RC(4,5)    RC(4,6)   RC(4,7)      RC(4,8)    RC(4,9) RC(4,10) RC(4,11) RC(4,12) RC(4,13)
        >;
    };

    kscan0: kscan {
        compatible = "zmk,kscan-gpio-matrix";
        label = "KSCAN";

        diode-direction = "col2row";
        row-gpios
            = <&pro_micro 5 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
            , <&pro_micro 6 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
            , <&pro_micro 7 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
            , <&pro_micro 8 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
            , <&pro_micro 3 (GPIO_ACTIVE_HIGH | GPIO_PULL_DOWN)>
            ;
    };

    left_encoder: encoder_left {
        compatible = "alps,ec11";
        label = "LEFT_ENCODER";
        a-gpios = <&pro_micro 2 (GPIO_ACTIVE_HIGH | GPIO_PULL_UP)>;
        b-gpios = <&pro_micro 4 (GPIO_ACTIVE_HIGH | GPIO_PULL_UP)>;
        resolution = <4>;
        status = "disabled";
    };

    right_encoder: encoder_right {
        compatible = "alps,ec11";
        label = "RIGHT_ENCODER";
        a-gpios = <&pro_micro 4 (GPIO_ACTIVE_HIGH | GPIO_PULL_UP)>;
        b-gpios = <&pro_micro 2 (GPIO_ACTIVE_HIGH | GPIO_PULL_UP)>;
        resolution = <4>;
        status = "disabled";
    };

    sensors {
        compatible = "zmk,keymap-sensors";
        sensors = <&left_encoder &right_encoder>;
    };
};

&pro_micro_i2c {
    status = "okay";

    oled: ssd1306@3c {
        compatible = "solomon,ssd1306fb";
        reg = <0x3c>;
        label = "DISPLAY";
        width = <128>;
        height = <64>;
        segment-offset = <0>;
        page-offset = <0>;
        display-offset = <0>;
        multiplex-ratio = <31>;
        prechargep = <0x22>;
    };
};
